What do you all think of the name [name_m]William[/name_m]? Popularity is no issue considering I live in a country where the name isn’t really popular. Does it fit with my other boy names? [name_f]Love[/name_f] to hear your opinions! 
[name_f]My[/name_f] boy shortlist:
[name_m]Abel[/name_m]
[name_m]Theo[/name_m]
[name_m]Rowan[/name_m]
[name_m]Ezra[/name_m]
[name_m]Jacob[/name_m]
I really like [name_m]William[/name_m]! It’s very handsome and timeless with a charming traditional feel. I do like just [name_m]Will[/name_m] or just [name_m]Liam[/name_m] a little more, but the fact that [name_m]William[/name_m] lets you have both nicknames is nice! I think it fits well with your other names except maybe [name_m]Rowan[/name_m].
Its not my style but I know of two boys born over the summer who used William in their names. I like the nickname options, with Will being preferred at this point over Liam because of popularity. I think it ages well and is due for a comeback.
William John
Ezekiel William “Zeke”
PS From your list I like Rowan the best. I love it on a boy, although seems to be gaining more popularity as a unisex name used primarily for girls where I live.
PPS I also associate Heath Ledger’s character in A Knight’s Tale, which isn’t a bad association at all!
[name_m]William[/name_m] isn’t a personal favourite, but objectively it’s a solid, strong-but-not-harsh name with versatile nickname potential but easily rolls off the tongue in full too.
To me, it feels a little heavy with your other boys, but it doesn’t not go - I think it fits well with [name_m]Jacob[/name_m], [name_m]Abel[/name_m], and [name_m]Theo[/name_m], for example, less so with [name_m]Ezra[/name_m] and [name_m]Rowan[/name_m], but [name_m]William[/name_m], [name_m]Theo[/name_m], and [name_m]Ezra[/name_m] as a set would work, or [name_m]Jacob[/name_m], [name_m]William[/name_m], and [name_m]Ezra[/name_m], for example.
I love [name_m]William[/name_m]! It is such a lovely and handsome name and I also love all the nicknames like [name_m]Billy[/name_m], [name_m]Liam[/name_m] and [name_m]Will[/name_m].
I love [name_m]William[/name_m] and I think it definitely has the same vibes as your other names, although it does strike me as feeling a little longer. “Will” is a classic.
I love the idea of [name_m]Will[/name_m] & Theo; [name_m]Will[/name_m] & Abel; [name_m]William[/name_m] & [name_m]Jacob[/name_m]!
I love [name_m]William[/name_m] - very handsome and timeless and I love the nicknames [name_m]Will[/name_m] and [name_m]Billy[/name_m]. I think it goes great with your boy names (love your shortlist btw 
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I love the name [name_m]William[/name_m]! I love that it’s a timeless choice. It’s charming, gentle, handsome and elegant. [name_m]William[/name_m] has a nice meaning and offers multiple nickname options. [name_m]William[/name_m] is a solid choice, recognized in every corner of the world.
I believe it is a great match for your other options.
I adore [name_m]William[/name_m]! It’s really grown on me recently. I think it’s a sweet, soft sounding name, and I rarely hear it in full. It goes great with your other choices imo.